Table 1 Baseline characteristics before propensity score matching
Characteristics | Age ≤ 45 years (n = 51) | Age > 45 years (n = 507) | P value |
|---|---|---|---|
Sex | 0.000* | ||
Male | 22 (43.1%) | 371 (73.2%) | |
Female | 29 (56.9%) | 136 (26.8%) | |
BMI (kg/m2) | 21.9 ± 3.9 | 22.1 ± 3.1 | 0.751 |
Comorbidities | 7 (13.7%) | 152 (30.0%) | 0.014* |
Neo-adjuvant chemotherapy | 4 (7.8%) | 32 (6.3%) | 0.560 |
Pre-operative hemoglobin (g/L) | 124.5 ± 29.3 | 121.2 ± 26.9 | 0.418 |
Pre-operative albumin (g/L) | 43.6 ± 4.9 | 39.7 ± 6.2 | 0.000* |
Type of resection | 0.632 | ||
Subtotal gastrectomy | 34 (66.7%) | 356 (70.2%) | |
Total gastrectomy | 17 (33.3%) | 151 (29.8%) | |
Laparoscopy surgery | 49 (96.1%) | 498 (98.2%) | 0.266 |
Reconstruction methods | 0.477 | ||
B I | 21 (41.2%) | 237 (53.8%) | |
B II | 9 (17.6%) | 104 (20.5%) | |
R-Y | 21 (41.2%) | 166 (32.7%) | |
pTNM stage | 0.026* | ||
I | 23 (45.1%) | 147 (29.0%) | |
II | 13 (25.5%) | 120 (23.7%) | |
III | 15 (29.4%) | 240 (47.3%) | |